Which muscles are targeted during the hold relax PNF procedure for shoulder extension contracture?

The hold relax PNF (Proprioceptive Neuromuscular Facilitation) procedure for shoulder extension contracture specifically targets the muscles responsible for shoulder extension. The correct answer identifies the latissimus dorsi, teres major, and posterior deltoid.

These muscles play significant roles in extending the shoulder joint. The latissimus dorsi is a powerful muscle that extends, adducts, and internally rotates the arm, making it crucial for shoulder extension. Similarly, the teres major assists in shoulder extension and internal rotation. The posterior deltoid is also vital for this movement, contributing to the extension of the arm from a flexed position.

In contrast, the other groups of muscles listed do not primarily facilitate shoulder extension. For example, the biceps brachii and pectoralis major are more involved in elbow flexion and shoulder flexion, respectively, rather than extension. The supraspinatus, infraspinatus, and teres minor are primarily responsible for shoulder stabilization and external rotation rather than extension. The anterior deltoid and coracobrachialis are also involved in shoulder flexion and internal rotation, which makes them less relevant during a procedure aimed at addressing extension contracture.

Overall,